how to erase a hard drive

{"cid":"91211653","title":"Seagate Exos Enterprise Hard Drives EXOS 16TB Model No: ST16000NM002H","imgUrl":"https:\/\/img.chinax.com\/nimg\/43\/97\/e2e402c67df2a41d19e49bbd9833-200x200-1.jpg","attrs":{"Price":"$860-1350 pcs Negotiable","Brand Name":"Seagate","Model Number":"EXOS 16TB Model No: ST16000NM002H","Minimum Order Quantity":"1","Capacity":"16TB","RSA 3072 Firmware Verification (SD&D)":"Yes","Power-On Hours per Year (24x7)":"8760","512e Sector Size (Bytes per Sector)":"512,520,528","4Kn Sector Size (Bytes per Sector)":"409,641,604,224","Limited Warranty (years)":"5"}}

{"cid":"91224401","title":"ST30000NM004K 30TB 7200RPM SATA HDD 4.16ms Latency 512MB Cache For Cloud Storage","imgUrl":"https:\/\/img.chinax.com\/nimg\/da\/56\/11595c58023e1acda2d85eab3e6b-200x200-1.jpg","attrs":{"Price":"$704-1305 \/ piece","Model Number":"ST30000NM004K","Minimum Order Quantity":"1 piece","Place of Origin":"Beijing, China","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union,MoneyGram","Packaging Details":"box","interface rate":"6Gb\/s","weight(including package)":"700g(24.69oz)","size":"3.5\"","interface type":"SATA","speed":"7,200 rpm","cache":"512MB","capacity":"30TB","Operating Temperature":"10\u00b0C - 60\u00b0C"}}